AIRCRAFT SYSTEMS - e-Crew

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A330/A340 FLIGHT CREW OPERATING MANUAL AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE MODE REVERSIONS reaching VMAX (VMO or VLE in clean, or VFE+4 kt), the AP temporarily abandons the V/S target, and automatically decreases the vertical speed to maintain VMAX. The same applies, if FPA mode is used with an excessive FPA target. V/S mode remains engaged. On the FMA, the V/S target is boxed with a flashing amber rectangle, and the V/S value pulses. Besides, an aural triple click is generated. Note: When flying with FD bars only (AP OFF), the FMGES adjusts the pitch bar so that VMAX is maintained. However, no triple click is generated and the V/S target display on the FMA remains unchanged. RJA A330/A340 FLEET DSC-22_30-75 P 12/16 FCOM ← D 03 MAY 11
A330/A340 FLIGHT CREW OPERATING MANUAL Applicable to: MSN 0014-0043 AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE MODE REVERSIONS MODE REVERSIONS (SUMMARY) REVERSION DUE TO FCU ALTITUDE CHANGES CONDITIONS ACTION CONSEQUENCE OP CLB engaged CLB engaged FCU selected altitude set below A/C altitude V/S-FPA engages on current V/S-FPA OP DES engaged DES engaged FCU selected altitude set above A/C altitude ALT* active FCU selected altitude modification (greater than 250 ft) REVERSION DUE TO THE LOSS OF NAV MODE CONDITIONS EVENT CONSEQUENCE CLB engaged Loss of lateral managed mode: NAV OP CLB engages DES engaged V/S engages SPEED PROTECTION WHEN FD ORDERS ARE NOT FOLLOWED BY THE FLIGHT CREW (AP NOT ENGAGED) CONDITIONS EVENT CONSEQUENCE ‐ FD engaged only (no AP) and ‐ OP DES or DES engaged ‐ A/THR active (IDLE thrust) ‐ FD engaged only (no AP) and ‐ OP CLB or CLB engaged ‐ A/THR active (CLIMB thrust) IAS = VLS-2 (if speedbrakes are extended between VLS-2 and VLS-19) IAS = VMAX+4 VMAX = VFE or VLE or VMO/MMO SPEED PROTECTION DUE TO EXCESSIVE V/S FD bars disappear. If A/THR active, automatic engagement of SPEED mode on the A/THR. Thrust increases to recover the speed target. FD bars disappear. If A/THR active, automatic engagement of SPEED mode on the A/THR. Thrust decreases to recover the speed target. CONDITIONS EVENT CONSEQUENCE Excessive V/S or FPA selected in IAS = VLS The selected V/S (or FPA) target is temporarily climb (or VLS-5, if target = VLS) abandoned to maintain VLS in climb, or VMAX ‐ IAS = VMAX Excessive V/S or FPA selected in descent, and in descent. ‐ Clean configuration ‐ Excessive V/S or FPA
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